APA način citiranja (7. izdanje)
Regan, R. J. (2013). The American Constitution and religion. Catholic University of America Press.
Čikaški stil citiranja (17. izdanje)
Regan, Richard J. The American Constitution and Religion. Washington, District of Columbia: Catholic University of America Press, 2013.
MLA način citiranja (9. izdanje)
Regan, Richard J. The American Constitution and Religion. Catholic University of America Press, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.